Short answerEasy1 mark
6(iii)
Choose the substances given in the box below to answer the following questions:

The compound that will produce sulphur dioxide gas when reacted with dilute HCl.
Topic: Qualitative analysis using NaOH and NH₄OH
Previous-year question practice database
Answer
Exam answer
Na₂SO₃.
Explanation
A sulphite gives SO₂ with dilute HCl.
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